Finding the Fourth Proportional to 2,458.63, 3,685.72 and 897.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,458.63 : 3,685.72 = 897.53 : x
2. Step 2: Convert to fraction form
   2,458.63/3,685.72 = 897.53/x
3. Step 3: Cross multiply
   2,458.63x = 3,685.72 × 897.53
4. Step 4: Simplify right side
   2,458.63x = 3,308,056.29
5. Step 5: Solve for x
   x = 3,308,056.29/2,458.63
6. Step 6: Final answer
   x = 1,345.49